Size Chart(Product Measurement):

8 Years: Bicep Length: 12.6", Bust: 29.9", Length: 13.8", Shoulder: 15.0", Sleeve Length: 16.5"

9 Years: Bicep Length: 12.9", Bust: 31.1", Length: 14.3", Shoulder: 15.4", Sleeve Length: 17.2"

10 Years: Bicep Length: 13.2", Bust: 32.3", Length: 14.8", Shoulder: 15.9", Sleeve Length: 17.9"

11-12 Years: Bicep Length: 13.9", Bust: 34.6", Length: 15.8", Shoulder: 16.9", Sleeve Length: 19.3"

13-14 Years: Bicep Length: 14.5", Bust: 37.0", Length: 16.9", Shoulder: 17.8", Sleeve Length: 20.6"